Cita APA

Trudgill, S. T. 1., & Trudgill, S. T. 1. (1996). Barries to a better environment: What stops us solving environmental problems ? London, Sydney: Belhaven Press.

Citación estilo Chicago

Trudgill, Stephen Thomas 1947-, y Stephen Thomas 1947- Trudgill. Barries to a Better Environment: What Stops Us Solving Environmental Problems ? London, Sydney: Belhaven Press, 1996.

Cita MLA

Trudgill, Stephen Thomas 1947-, y Stephen Thomas 1947- Trudgill. Barries to a Better Environment: What Stops Us Solving Environmental Problems ? London, Sydney: Belhaven Press, 1996.